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Home >> Infiniti >> 2018 >> QX30 Essential, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (2 Of 4) >> DTC/Circuit Diagnosis >> DTC P0138: O2 Sensor >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC No.

CONSULT screen terms

DTC detecting condition

(Trouble diagnosis content)

Malfunction type

P0138

12

Oxygen sensor bank1 sensor 2

(O2 Sensor Circuit High Voltage Bank 1 Sensor 2)

CIRCUIT SHORT TO BATTERY

Oxygen sensor has a short circuit to positive. There is a short circuit to positive.